What Our Gearhead(R) Experts Are Saying:"I have been wearing the Helly Hansen Tech Split Back Tank Top on trail runs and casual hiking days and it moves through both without any complaint. The split back design keeps airflow moving where it matters most during sustained effort, and the quick-dry fabric bounces back fast after a sweaty climb so I am not stuck in a damp top at the summit. At under four ounces it packs down to nothing and works as a standalone piece or under a light layer on cooler mornings."The best warm weather top is the one that keeps up with the day without asking you to think about it, and the Helly Hansen Tech Split Back Tank Top was built for exactly that. Whether the plan is a trail run, a casual hike, or an afternoon that starts outside and stays there, this tank brings enough technical performance to handle real effort while looking good enough to wear well beyond the trailhead. Helly Hansen designed the split back with ventilation in mind, opening up airflow across the back where heat builds fastest during sustained movement. The synthetic fabric wicks moisture away and dries quickly so the top stays fresh and comfortable through back-to-back active days, and the relaxed fit moves naturally without restricting arm swing or shoulder mobility on the trail. At 3. 8 ounces it barely registers in a bag or a jacket pocket, making it an easy addition to any kit where a lightweight, versatile top earns its place every time the temperature climbs.